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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+
+import java.util.*;
+
+// LinkedHashMap implrementation
+public class OrderedHashMap
+{
+ private HashMap hm = new HashMap();
+ private LinkedList list = new LinkedList();
+
+ public Iterator iterator() { return list.iterator(); }
+
+ public boolean isEmpty() { return hm.isEmpty(); }
+ public Object get( Object key ) { return hm.get( key ); }
+ public Object get( int index ) { return hm.get( list.get( index ) ); }
+ public Iterator keys() { return list.iterator(); }
+ public Object add( Object key , Object value )
+ {
+ list.add( key );
+ return hm.put( key, value );
+ }
+ public Object add( int index , Object key , Object value )
+ {
+ list.add( index , key );
+ return hm.put( key, value );
+ }
+ public Object remove( Object key )
+ {
+ list.remove( list.indexOf( key ) );
+ return hm.remove( key );
+ }
+ public void move( int idxFrom , int idxTo )
+ {
+ Object key = list.get( idxFrom );
+ list.remove( idxFrom );
+ list.add( idxTo , key );
+ }
+ public void move( Object key , int idxTo )
+ {
+ move( list.indexOf( key ) , idxTo );
+ }
+ public int size()
+ {
+ return hm.size();
+ }
+ public Enumeration elements()
+ {
+ return new OHMenum( this );
+ }
+}
+
+final class OHMenum implements Enumeration
+{
+ OrderedHashMap ohm;
+ int index = 0;
+
+ private OHMenum(){};
+ public OHMenum( OrderedHashMap ohm ){
+ this.ohm = ohm ;
+ }
+
+ public boolean hasMoreElements()
+ {
+ return index < ohm.size();
+ }
+ public Object nextElement()
+ {
+ return ohm.get( index++ );
+ }
+}